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An afterburner has been selected to destroy 99.9% of the ethane (CH3-CH3)in a gas (mostly air) stream . if the residue time is 0.8 seconds and the pressure is 1.1 atmospheres in the after burner,what should the afterburner temperature be? does both of the design methods used agree with each other?Assume isothermal plug flow.
As part of the procurement or contracting department of this federal agency, you need to demonstrate your understanding of the different project delivery methods and contract types available to the agency.
What is the maximum distance away that the navigation lights can still be seen by an observer standing at the shoreline The observer's eye height is 5'6" and the uppermost navigation light is 168 above the water.
An aluminum alloy tube with an outside diameter of 2.9 in. and a wall thickness of 0.32 in. is used as a 19-ft-long column. Assume that E = 8300 ksi and that pinned connections are used at each end of the column.
the room described in problem 8.1 gas a 1 m wude door with a 1 cm high slit at the floor level. THe oil spill has a rectagular area of sides 0.5 m by 0.5 m. (a) calculate the pressure increase, the air velocity, and the mass flow rate throug the sl..
Assume that the width of the intersection in 24 ft and the car is 20 ft long. If the driver's perception-reaction time is 0.75 seconds, determine if he can clear the intersection safely for the following conditions
What do you understand by the term durability? Compared to other considerations, how much importance should be given to durability in the design and construction of concrete structures?
The aluminum bar has an electrical coil imbedded in it, so that known amounts of heat can be transferred to it. Aluminum has a specific gravity of 2.70 and a specific internal energy given by the formulaU (kJ/kg)=0.94T(C).
At what coupon interest rate will a $20,000 bond yield a nominal 12% interest compounded quarterly if the purchaser pays $18,000 and the bond becomes due in 20 years
At the reference temperature, three identical rods of length L form a pin jointed truss in the shape of an equilateral triangle, ABC. Determine the angle theta as a function of delta T, the temperature increase of the rod AB.
If the time required to pay for parking is exponentially distributed with a mean of 15 seconds, find the average time in system.
Determine the maximum and minimum stress intensities in the section.
If the superelevation is .10 at the station of the PC is 17+35, what is the station of the PI and how much distance must be cleared from the center of the lane to provide adequate stopping sight distance
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